Ai-Thinker BW16 WIFI & Bluetooth Module with PCB ANTENNA-2MB
The Ai-Thinker BW16 WIFI & Bluetooth Module with PCB ANTENNA-2MB is a cutting-edge dual-frequency Wi-Fi and Bluetooth System-on-Chip (SoC) module engineered to deliver robust wireless connectivity across a diverse range of applications. Leveraging the RTL8720DN chip, this module supports both 2.4GHz and 5GHz WLAN frequencies, ensuring compatibility with various network environments and minimizing interference in congested wireless spaces. This dual-band capability enhances its versatility, making it suitable for environments requiring stable and high-speed wireless communication.
Features:
- Support 802.11a/b/g/n 1×1,2.4GHz or 5GHz.
- Support HT20/HT40 mode.
- Support for low power beacon listening mode, low power reception mode and lowpower pending mode.
- Embedded AES / DES / SHA hardware engine.
- Support TrustZone-M and safed start up.
- Support SWD debug port access protection and prohibition mode.
- Support BLE and BT5.0.
- Bluetooth supports high power mode (7dBm,share the same PA with WiFi).
- Wi-Fi and BT share the same antenna.
- Support STA/AP/STA+AP operating mode.
- Support the Smart Config (APP)/AirKiss (wechat) of Android, IOS (One-click distribution network).
- Support serial port local upgrade and remote firmware upgrade (FOTA).
Specifications:
| Parameter | Specification |
|---|---|
| Model | BW16 |
| Package | SMD-16 |
| Size | 24mm × 16mm × 3mm (±0.2) mm |
| Antenna | PCB antenna |
| Frequency Range (Wi-Fi) | 2400 – 2483.5 MHz / 5180 – 5825 MHz |
| Bluetooth Version | Bluetooth 5.0 |
| Bluetooth Frequency | 2.402 GHz – 2.480 GHz |
| Operating Temperature | -20°C ~ 70°C |
| Storage Environment | -40°C ~ 125°C, < 90% RH |
| Power Supply | Voltage: 3.0V ~ 3.6V (Typ: 3.3V), Current > 450 mA |
| Interface | UART, GPIO, ADC, PWM, I²C, SPI, SWD |
| Certification | RoHS, FCC, CE, SRRC |
Pin Configuration:
| No. | Pin Name | Function |
|---|---|---|
| 1 | PA13 | LP_PWM1 / SPI1_MISO |
| 2 | PB3 | ADC / SWD_CLK |
| 3 | CHIP_EN | Chip enable port |
| 4 | PA15 | SPI1_CS |
| 5 | PA8 | UART_LOG_RXD |
| 6 | PA27 | SWD_DATA |
| 7 | PA26 | LP_I2C_SDA / LP_PWM5 |
| 8 | VDD_3V3 | 3.3V Power Supply (Max: 450mA) |
| 9 | GND | Ground |
| 10 | PA25 | LP_I2C_SCL / LP_PWM4 |
| 11 | PA7 | UART_LOG_TXD |
| 12 | PA14 | SPI1_CLK |
| 13 | PA30 | LP_PWM1 |
| 14 | PA12 | SPI1_MOSI / LP_PWM0 |
| 15 | PB2 | LP_UART_RXD |
| 16 | PB1 | LP_UART_TXD |
Applications:
- Smart home and industrial IoT devices.
- Wireless sensors and controllers.
- Appliance connectivity via Wi‑Fi or BLE.
- Bluetooth beacon, mesh, and provisioning.
- FOTA-capable embedded systems.
- Edge AI and gateway modules.
Package Include:
1x Ai-Thinker BW16 WIFI & Bluetooth Module with PCB ANTENNA-2MB.
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